some update code syntax format for php7

Author: inhere

composer.json

@@ -13,7 +13,7 @@
     }
   ],
   "require": {
-    "php": ">=5.5.0"
+    "php": ">=7.0.0"
   },
   "autoload": {
     "psr-4": {

src/AbstractApp.php

@@ -278,14 +278,14 @@ public function config($name, $default = null)
 
         // allow get $config['top']['sub'] by 'top.sub'
         if ( strpos($name, '.') > 1 ) {
-            list($topKey, $subKey) = explode('.', $name, 2);
+            [$topKey, $subKey] = explode('.', $name, 2);
 
             if ( isset($this->config[$topKey]) && isset($this->config[$topKey][$subKey])) {
                 return $this->config[$topKey][$subKey];
             }
         }
 
-        return isset($this->config[$name]) ? $this->config[$name]: $default;
+        return $this->config[$name] ?? $default;
     }
 
     /**

src/App.php

@@ -60,7 +60,7 @@ public function dispatch()
         // like 'home/index'
         if ( strpos($name, $sep) > 0 ) {
             $input = array_filter(explode($sep, $name));
-            list($name, $action) = count($input) > 2 ? array_splice($input, 2) : $input;
+            [$name, $action] = count($input) > 2 ? array_splice($input, 2) : $input;
         }
 
         if ( isset($this->controllers[$name]) ) {

src/Command.php

@@ -8,9 +8,6 @@
 
 namespace inhere\console;
 
-use inhere\console\io\Input;
-use inhere\console\io\Output;
-
 /**
  * Class Command
  * @package inhere\console
@@ -38,11 +35,11 @@ public function run($name = '')
             return $this->showHelp();
         }
 
+        $status = 0;
+
         try {
             $this->beforeRun();
-
             $status = $this->execute();
-
             $this->afterRun();
 
         } catch (\Exception $e) {

src/Controller.php

@@ -8,9 +8,6 @@
 
 namespace inhere\console;
 
-use inhere\console\io\Input;
-use inhere\console\io\Output;
-
 /**
  * Class Command
  * @package inhere\console
@@ -122,7 +119,7 @@ protected function afterRun($action)
      */
     final public function helpCommand($action = '')
     {
-        if (!$action && !($action = $this->input->get(0)) ) {
+        if (!$action && !($action = $this->input->getFirstArg()) ) {
             $this->showCommandList();
             return 0;
         }

src/color/Color.php

@@ -175,7 +175,7 @@ public function format($text)
             return $text;
         }
 
-        foreach ($matches[0] as $i => $m) {
+        foreach ((array)$matches[0] as $i => $m) {
             if (array_key_exists($matches[1][$i], $this->styles)) {
                 $text = $this->replaceColor($text, $matches[1][$i], $matches[2][$i], $this->styles[$matches[1][$i]]);
 
@@ -198,8 +198,8 @@ public function format($text)
      */
     protected function replaceColor($text, $tag, $match, Style $style)
     {
-        $style   = $style->toString();
-        $replace = $this->noColor ? $match : "\033[{$style}m{$match}\033[0m";
+        $styleStr   = $style->toString();
+        $replace = $this->noColor ? $match : "\033[{$styleStr}m{$match}\033[0m";
 
         return str_replace("<$tag>$match</$tag>", $replace, $text);
     }
@@ -220,7 +220,9 @@ public function addStyle($name, $fg = '', $bg = '', array $options = [])
     {
         if (is_array($fg)) {
             return $this->addStyleByArray($name, $fg);
-        } elseif (is_object($fg) && $fg instanceof Style) {
+        }
+
+        if (is_object($fg) && $fg instanceof Style) {
             $this->styles[$name] = $fg;
         } else {
             $this->styles[$name] = Style::make($fg, $bg, $options);
@@ -249,7 +251,7 @@ public function addStyleByArray($name, array $styleConfig)
         ];
 
         $config = array_merge($style, $styleConfig);
-        list($fg, $bg, $options) = array_values($config);
+        [$fg, $bg, $options] = array_values($config);
 
         $this->styles[$name] = Style::make($fg, $bg, $options);
 

src/io/Input.php

@@ -48,7 +48,7 @@ class Input
     public function __construct($parseArgv = true, $fillToGlobal = false)
     {
         if ($parseArgv) {
-            list($this->args, $this->opts) = self::parseGlobalArgv($fillToGlobal);
+            [$this->args, $this->opts] = self::parseGlobalArgv($fillToGlobal);
         }
     }
 
@@ -83,39 +83,37 @@ public function hasArg($name)
      * @param mixed $default
      * @return mixed
      */
-    public function getArgument($name=null, $default = null)
+    public function getArgument($name, $default = null)
     {
         return $this->get($name, $default);
     }
-    public function getArg($name=null, $default = null)
+    public function getArg($name, $default = null)
     {
         return $this->get($name, $default);
     }
-    public function get($name=null, $default = null)
+    public function get($name, $default = null)
     {
-        if (null === $name) {
-            return $this->args;
-        }
-
-        return isset($this->args[$name]) ? $this->args[$name] : $default;
+        return $this->args[$name] ?? $default;
     }
 
     /**
      * get first argument
+     * @param string $default
      * @return string
      */
-    public function getFirstArg()
+    public function getFirstArg($default = '')
     {
-        return $this->get(0);
+        return $this->get(0, $default);
     }
 
     /**
      * get second argument
+     * @param string $default
      * @return string
      */
-    public function getSecondArg()
+    public function getSecondArg($default = '')
     {
-        return $this->get(1);
+        return $this->get(1, $default);
     }
 
     /**